Coating classification: wrinkles of coating film

Core tip: the wrinkle phenomenon of paint film refers to the phenomenon that many uneven ridge marks appear on the surface of paint film, which affects the smoothness and brightness of paint film surface The main reasons for the wrinkle of paint film are as follows: ① The surface drying is fast and the film drying is uneven; ② One time coating is too thick, only the surface is rapidly dry, the inside cannot be dry at the same time, the lower layer is loose, and the upper layer is tight; ③ The lower coating is not completely dry, that is, the upper coating; ④ The upper and lower coatings are not matched; ⑤ The primer is not completely dry, and the diluent of the finish is too strong to dissolve, which makes the primer melt and expand; Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: the wrinkle phenomenon of paint film refers to the phenomenon that many uneven ridge marks appear on the surface of paint film, which affects the smoothness and brightness of paint film surface The main reasons for the wrinkle of the paint film are as follows: ① the surface is dry fast and the film is not even; ② the coating is too thick at one time, only the surface is dry rapidly, and the inside cannot be dry at the same time, the lower layer is loose and the upper layer is tight; ③ the lower coating is not dry completely, that is, the upper layer is applied; ④ the upper and lower layers are not matched; ⑤ The primer is not completely dry, and the diluent of the finish coat has too strong solubility, which makes the primer melt and expand; ⑥ the amount of curing agent is too small; ⑦ the previous coating is not fully polished, that is, the next coating; solutions: ① use slow dry diluent and solvent with proper solubility; ② paint in two or more times, and make the solvent volatilize fully during each spraying; ③ When the lower layer of the film is dry enough, it can be applied again; ④ use the paint with the same properties to avoid the softer paint in the lower layer; ⑤ avoid coating too thick, and the bottom layer should be completely dry before applying the top coat; ⑥ properly increase the amount of curing agent; ⑦ dry the polymer film, and sanding after drying should be as full as possible Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,